Hose coupling



Patented Oct. 2, 1945 HOSE COUPLING Application December 9, 1943, Serial No. 513,515

2 Claims. (Cl. 28584) This invention relates broadly to hose couplings itself and swaging the overlapped portion to proand more specifically to improvements in the vide a smooth even radius in the bead.

structure of the hose clamping elements therein. The body member I0 and sleeve I6 are formed One of the objects of the invention is to prowith radially extended lugs 22 to accommodate vide an expansible clamping ring which will efthe retention of the body and rotation of the feet the impinged securement of the hose withsleeve during assembly of the parts in threaded in the coupling without fracture of the fabric at engagement with each other. The sleeve is conthe throat of the ring. structed to swivel about a still thread 23 in the Another object of the invention is to provide inner end of the member II, a rubber gasket 24 a hose coupling which will accommodate the being impinged between the shoulder 25 adjacent coiled assembly of the hose upon a reel of relathe still thread and the end of the shank I5. tively small diameter without injury to the por- The hose is secured in clamped relation with tion of the hose adjacent the end of the coupling. e c up g members by expanding the ring 20 Another object of the invention is to provide under the influence of a tapered draw bar 26 and a hose clamping structure which will eliminate articulated fingers 2'! until the hose is compresthe danger of separation of the hose from the v ly engaged with the wall defi t conical coupling sleeve. bore 13. It will be noted that when the parts Further objects of the invention reside in the are thus assembled the rounded corner or bead construction of the expansion ring, the form of 2| in the end of the ring will lie in lineal spaced the recess Within which the hose is clamped and relation with the inner side wall of the rib M the proportions of the engaged parts of the asand that rounded face of the rib is engaged with sembly in relation to each other. the peripheral surface of the hose without pene- Other objects and advantages more or less antration or deformation thereof. cillary to the foregoing and the manner in which n p ac e it has been found that a p n all the various objects are realized will appear in structure of this character may be substantia ly the following description, which considered in re uced in length as compared with similar deconnection with the accompanying drawing, sets V es etofore in use, that such reduction in forth the preferred embodiment of the invenlength th r with th rounded corners and 5 tion,' staggered relation of the bead and rib will facili- In the drawing: 30 tate coiling of the hose upon a relatively small Fig. 1 is a longtudinal sectional view of a hose reel without deleterious effects, that the securecoupling embodying the improved clamp; and ment of the hose between the ring and body mem- Fig. 2 is a similar view of one of the members of t e Coupling w ll produce an efiieient and of the coupling illustrating the assembly tool and durable connection and that imp n e nt o t e the condition of the hose before deformation of hOSe a a point remote from t e free e d the eof the expansion ring, will prevent rupture of the fabric, fraying and Referring first to Fig. 1, the hose coupling comseparation thereof, deformation of the wall of prises a pair of tubular bodies I0 and II formed 7 t hosenaind the consequent failure of the pwith enlarged end portions I2 having conical mg medum the couplinsbores l3 therein which are provided with internal 40 Aflthough e foregolhg ption 1s necesannular ribs M in the Outer ends thereof The sarily of a detailed character, in order that the coupling member ID is further formed with a Invention may be completgy Set p it is to threaded shank [5 for the reception of a sleeve P understood that thefipeclfic termtnology is not '6 swiveled upon the companion member H. The intended to be restrictive or confining, and that hose section IT as shown in Fig 2 is inserted rearrangements of parts and modlfica" tlons of detail may be resorted to without dem the bore l3 with the end thereof in abutting parting from the scope or spirit of the invention engagement with a rubber washer l8 seated a h against a shoulder I9 at the base of the bore l3. 523

The portion of the hose within the conical bore 1 A h coupling comprising a body member 15 provlded Wlth tubular expanslon 1mg 20 having a conical bore therein for the reception having a bead 2| 1n the outer end thereof disof t end portion of a hose, an annular internal posed in s m y ja ent the inner edge of the rib in the outer end of said body member, a shoulrib I4. The bead 2| is preferably formed by der at the inner end of said bore, a deformable folding the outer end of the tube inwardly upon 5 washer in said bore disposed in abutting relation having a conical bore therein for the reception 10 panded.

of the end of a section of hose, a shoulder at the inner end of said bore, a rubber washer intermediate said shoulder and the end of the hose, an internal rib in the outer end of the body, a ring engaged with the inner wall of the portion of the hose within said bore and within said washer, said ring being disposed in abutting engagement with said shoulder and supporting relation with the deformed hose and washer when ex- DONALD GLESSNER. 

